usb 1-1: RX USB error -71. usb 1-1: RX USB error -2. usb 1-1: error -1 when submitting rx urb ================================================================== BUG: KASAN: use-after-free in ar5523_cmd_tx_cb+0x220/0x240 drivers/net/wireless/ath/ar5523/ar5523.c:228 Read of size 8 at addr ffff888074adf450 by task udevd/2972 CPU: 1 PID: 2972 Comm: udevd Not tainted 5.19.0-syzkaller-13930-g7ebfc85e2cd7 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:317 [inline] print_report.cold+0x2ba/0x719 mm/kasan/report.c:433 kasan_report+0xb1/0x1e0 mm/kasan/report.c:495 ar5523_cmd_tx_cb+0x220/0x240 drivers/net/wireless/ath/ar5523/ar5523.c:228 __usb_hcd_giveback_urb+0x2b0/0x5c0 drivers/usb/core/hcd.c:1671 usb_hcd_giveback_urb+0x380/0x430 drivers/usb/core/hcd.c:1754 dummy_timer+0x11ff/0x32c0 drivers/usb/gadget/udc/dummy_hcd.c:1988 call_timer_fn+0x1a0/0x6b0 kernel/time/timer.c:1474 expire_timers kernel/time/timer.c:1519 [inline] __run_timers.part.0+0x674/0xa80 kernel/time/timer.c:1790 __run_timers kernel/time/timer.c:1768 [inline] run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1803 __do_softirq+0x1d3/0x9c6 kernel/softirq.c:571 invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:650 irq_exit_rcu+0x5/0x20 kernel/softirq.c:662 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1106 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649 RIP: 0010:rcu_read_unlock include/linux/rcupdate.h:735 [inline] RIP: 0010:count_memcg_event_mm.part.0+0x117/0x2d0 include/linux/memcontrol.h:1096 Code: 02 00 00 31 ff 48 89 ee e8 16 42 c8 ff 48 85 ed 0f 85 b0 01 00 00 e8 28 45 c8 ff 31 ff 48 89 de e8 fe 41 c8 ff 48 85 db 75 43 14 45 c8 ff e8 0f 8e b2 ff 31 ff 89 c3 89 c6 e8 84 41 c8 ff 84 RSP: 0000:ffffc90002d4fe50 EFLAGS: 00000293 RAX: 0000000000000000 RBX: 0000000000000200 RCX: 0000000000000000 RDX: ffff88807e29d880 RSI: ffffffff81b3c23f RDI: 0000000000000007 RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000200 R11: 0000000000000001 R12: ffff88813fe28000 R13: ffffc90002d4ff58 R14: ffff88807e29d880 R15: ffff88807e2e3800 count_memcg_event_mm include/linux/memcontrol.h:584 [inline] handle_mm_fault+0xcf/0x780 mm/memory.c:5131 do_user_addr_fault+0x475/0x1210 arch/x86/mm/fault.c:1397 handle_page_fault arch/x86/mm/fault.c:1488 [inline] exc_page_fault+0x94/0x170 arch/x86/mm/fault.c:1544 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:570 RIP: 0033:0x7f20eaac2e0f Code: e8 66 d5 ff ff 49 29 ee 4c 8b 4c 24 08 49 83 fe 1f 0f 86 b7 00 00 00 49 8b 54 24 70 49 8d 04 2f 4c 39 4a 18 0f 85 43 02 00 00 <4c> 89 48 18 48 89 50 10 49 89 44 24 70 48 89 42 18 48 81 fd ff 03 RSP: 002b:00007ffffee1e190 EFLAGS: 00010246 RAX: 00005626b66bcd90 RBX: 0000000000000200 RCX: 0000000000000361 RDX: 00007f20eabf5a60 RSI: 0000000043400000 RDI: 00005626b66bcb80 RBP: 0000000000000210 R08: 0000000000000001 R09: 00007f20eabf5a60 R10: 0000000000002000 R11: 0000000000000000 R12: 00007f20eabf5a00 R13: 0000000000000360 R14: 0000000000000150 R15: 00005626b66bcb80 The buggy address belongs to the physical page: page:ffffea0001d2b7c0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x74adf flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000000000 0000000000000000 dead000000000122 0000000000000000 raw: 0000000000000000 00000000000c0000 00000000ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as freed page last allocated via order 2, migratetype Unmovable, gfp_mask 0x140dc0(GFP_USER|__GFP_COMP|__GFP_ZERO), pid 12553, tgid 12553 (kworker/1:6), ts 2510613661375, free_ts 2512704951220 prep_new_page mm/page_alloc.c:2532 [inline] get_page_from_freelist+0x109b/0x2ce0 mm/page_alloc.c:4283 __alloc_pages+0x1c7/0x510 mm/page_alloc.c:5515 alloc_pages+0x1a6/0x270 mm/mempolicy.c:2270 kmalloc_order+0x34/0xf0 mm/slab_common.c:917 kmalloc_order_trace+0x13/0x120 mm/slab_common.c:933 kmalloc include/linux/slab.h:605 [inline] kzalloc include/linux/slab.h:733 [inline] wiphy_new_nm+0x6fc/0x2090 net/wireless/core.c:440 ieee80211_alloc_hw_nm+0x44b/0x2450 net/mac80211/main.c:668 ieee80211_alloc_hw include/net/mac80211.h:4511 [inline] ar5523_probe+0x11a/0x1d10 drivers/net/wireless/ath/ar5523/ar5523.c:1595 usb_probe_interface+0x30b/0x7f0 drivers/usb/core/driver.c:396 call_driver_probe drivers/base/dd.c:530 [inline] really_probe+0x249/0xb90 drivers/base/dd.c:609 __driver_probe_device+0x1df/0x4d0 drivers/base/dd.c:748 driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:778 __device_attach_driver+0x206/0x2e0 drivers/base/dd.c:901 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:427 __device_attach+0x1e4/0x530 drivers/base/dd.c:973 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:487 page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1449 [inline] free_pcp_prepare+0x5e4/0xd20 mm/page_alloc.c:1499 free_unref_page_prepare mm/page_alloc.c:3380 [inline] free_unref_page+0x19/0x4d0 mm/page_alloc.c:3476 device_release+0x9f/0x240 drivers/base/core.c:2330 kobject_cleanup lib/kobject.c:673 [inline] kobject_release lib/kobject.c:704 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put+0x1be/0x4c0 lib/kobject.c:721 put_device+0x1b/0x30 drivers/base/core.c:3624 ar5523_probe+0xe38/0x1d10 drivers/net/wireless/ath/ar5523/ar5523.c:1719 usb_probe_interface+0x30b/0x7f0 drivers/usb/core/driver.c:396 call_driver_probe drivers/base/dd.c:530 [inline] really_probe+0x249/0xb90 drivers/base/dd.c:609 __driver_probe_device+0x1df/0x4d0 drivers/base/dd.c:748 driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:778 __device_attach_driver+0x206/0x2e0 drivers/base/dd.c:901 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:427 __device_attach+0x1e4/0x530 drivers/base/dd.c:973 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:487 device_add+0xbd5/0x1e90 drivers/base/core.c:3517 usb_set_configuration+0x1019/0x1900 drivers/usb/core/message.c:2170 Memory state around the buggy address: ffff888074adf300: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ffff888074adf380: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff >ffff888074adf400: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ^ ffff888074adf480: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ffff888074adf500: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ================================================================== ---------------- Code disassembly (best guess): 0: 02 00 add (%rax),%al 2: 00 31 add %dh,(%rcx) 4: ff 48 89 decl -0x77(%rax) 7: ee out %al,(%dx) 8: e8 16 42 c8 ff callq 0xffc84223 d: 48 85 ed test %rbp,%rbp 10: 0f 85 b0 01 00 00 jne 0x1c6 16: e8 28 45 c8 ff callq 0xffc84543 1b: 31 ff xor %edi,%edi 1d: 48 89 de mov %rbx,%rsi 20: e8 fe 41 c8 ff callq 0xffc84223 25: 48 85 db test %rbx,%rbx 28: 75 43 jne 0x6d * 2a: e8 14 45 c8 ff callq 0xffc84543 <-- trapping instruction 2f: e8 0f 8e b2 ff callq 0xffb28e43 34: 31 ff xor %edi,%edi 36: 89 c3 mov %eax,%ebx 38: 89 c6 mov %eax,%esi 3a: e8 84 41 c8 ff callq 0xffc841c3 3f: 84 .byte 0x84